Location History:
- Tokyo, JA (1977)
- Sakurashinmachi, JP (1981)
- Sakurashin, JP (1982)
- Tokyo, JP (1980 - 1983)
Company Filing History:
Years Active: 1977-1983
Title: Hirokuni Kawashima: Innovator in Photoconductive Materials
Introduction
Hirokuni Kawashima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of photoconductive materials, holding a total of 7 patents. His innovative work has paved the way for advancements in various applications, particularly in electrophotography.
Latest Patents
Among his latest patents is a process for preparing photoconductive cadmium sulfide. This process involves several steps, including forming precipitated cadmium sulfide particles, primarily firing these particles, deionizing them, and then secondarily firing them. Another notable patent is for a process that prepares cadmium sulfide for electrophotography. In this process, cadmium sulfide particles are heated in a solution of a compound capable of generating sulfur when heated, making the treated cadmium sulfide suitable for use as a photoconductive material in electrophotography.
Career Highlights
Hirokuni Kawashima has worked with notable companies such as Canon Kabushiki Kaisha and Kasei Optonix, Ltd. His experience in these organizations has contributed to his expertise in the development of photoconductive materials.
Collaborations
Throughout his career, Kawashima has collaborated with talented individuals, including Kiyoshi Suzuki and Yuji Nishigaki. These collaborations have further enhanced his innovative capabilities and have led to the successful development of new technologies.
Conclusion
Hirokuni Kawashima's contributions to the field of photoconductive materials are noteworthy. His innovative processes and collaborations have significantly impacted the industry, showcasing his role as a leading inventor in this domain.